Updated October 2026
Data from Amazon and official Smlight site.
2026 verdict
Smlight SLZB-MR4 is the more complete option versus Smlight SLZB-MR3 in 2026, helped most by price.
Its biggest wins come from price, and its broader overall balance adds more confidence to the verdict. You should still consider Smlight SLZB-MR3 if rating matters more than raw overall balance. As a general recommendation, Smlight SLZB-MR4 comes out on top.
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| Feature | Smlight SLZB-MR3 | Smlight SLZB-MR4 | Winner |
|---|---|---|---|
| Price | €158.13 | $130.00 | Smlight SLZB-MR4 |
| Rating | 5.0 | 4.0 | Smlight SLZB-MR3 |
| Zigbee Chip Model | EFR32MG24 / CC2674P10 | EFR32MG26 / CC2674P10 | Different strengths |
| Warranty | 1 year | 1 year | Tie |
| Power | USB, PoE | USB, PoE | Tie |
| Connectivity | USB, Ethernet, 2.4 GHz WiFi | USB, Ethernet, 2.4 GHz WiFi | Tie |
| Zigbee Router | YES | YES | Tie |
| Z-Wave Controller | NO | NO | Tie |
| Thread Border Router | YES | YES | Tie |
| Matter Bridge | NO | NO | Tie |
| Transmit Power | +20dBm | +20dBm | Tie |
| Antenna Gain | +5dB | +5dB | Tie |
- + Rating: 5.0
- - Price: €158.13 vs $130.00
Winner
$130.00
- + Price: $130.00
- - Rating: 4.0 vs 5.0
Price history compared
Every price change of both, in the same store, so the gap between the two lines is what one costs more than the other.
- Smlight SLZB-MR3
- Smlight SLZB-MR4
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Frequently Asked Questions
Which is better overall: Smlight SLZB-MR3 or Smlight SLZB-MR4?
Smlight SLZB-MR4 has the stronger overall profile in this comparison, especially for price.
What is the biggest difference between Smlight SLZB-MR3 and Smlight SLZB-MR4?
Price is one of the clearest differences: Smlight SLZB-MR3 lists €158.13, while Smlight SLZB-MR4 lists $130.00.
Which one looks better on price?
Smlight SLZB-MR3 is listed at €158.13, while Smlight SLZB-MR4 is listed at $130.00. Smlight SLZB-MR4 (better spec).
Who should buy Smlight SLZB-MR3?
Choose Smlight SLZB-MR3 if your priority is rating and that matters more than price.
Who should buy Smlight SLZB-MR4?
Choose Smlight SLZB-MR4 if your priority is price and that matters more than rating.
Full comparison table
Compare all 36 Dongles side by side
You are looking at two of them. The full table lines up all Dongles in the catalog with the same specs, so you can filter by what you need and sort by price or rating.
- 36 Dongles
- 32 specs compared
- 29 filters
SmlightSLZB-MRW10
$100.00
SmlightSLZB-06 U
$72.99- Smlight
SLZB-MR3
€158.13 
SmlightSLZB-MR5U
$119.99
SmlightSLZB-07
$34.99
SmlightSLZB-MR1U
$102.99
SmlightSLZB-07p7
$36.99
SonoffZBDongle-E
$24.90
SonoffDongle Plus MG24
$35.90
Nabu CasaHome Assistant Connect ZBT-2
$65.00
SonoffZBDongle-P
16% OFF$39.99$33.45
ZoozZ-Wave Long Range Stick
$39.95
Nabu CasaHome Assistant Connect ZWA-2
$79.00
SonoffDongle-PZG23
$39.90
SmlightSLZB-06M
$72.99
SonoffDongle Plus PP10
$35.90
SmlightSLZB-06p7U
$78.99
SmlightSLZB-MR2
€111.97
SonoffDongle Lite MG21
$24.90
AeotecZ-Stick 7
$39.99
DonglesSmlightSLZB-06 MG24
4.5(6)$82.99
DonglesSmlightSLZB-06 MG26
3.4(7)$84.99- DonglesSmlight
SLZB-06 U
5.0(5)$72.99 
DonglesSmlightSLZB-06
4.2(182)$72.99- DonglesSmlight
SLZB-06M
4.6(111)$72.99 
DonglesSmlightSLZB-06P10
4.4(11)$85.99
DonglesSmlightSLZB-06p7
4.4(11)$79.99- DonglesSmlight
SLZB-06p7U
4.6(33)$78.99 
DonglesSmlightSLZB-07 MG24
3.3(5)$45.99
DonglesSmlightSLZB-07 MG26
4.5(86)- DonglesSmlight
SLZB-07
4.9(20)$34.99 
DonglesSmlightSLZB-07P10
3.0(1)$48.99- DonglesSmlight
SLZB-07p7
4.8(8)$36.99 
DonglesSmlightSLZB-MR1
4.4(11)$103.99- DonglesSmlight
SLZB-MR1U
4.8(16)$102.99 - DonglesSmlight
SLZB-MR2
4.6(8)€111.97 - DonglesSmlight
SLZB-MR3
5.0(1)€158.13 
DonglesSmlightSLZB-MR4
4.0(5)$130.00- DonglesSmlight
SLZB-MR5U
5.0(1)$119.99 - DonglesSmlight
SLZB-MRW10
5.0(11)$100.00